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x86: coding style fixes to arch/x86/kernel/mca_32.c
Before: total: 42 errors, 3 warnings, 469 lines checked After: total: 0 errors, 3 warnings, 479 lines checked No code changed: arch/x86/kernel/mca_32.o: text data bss dec hex filename 1832 288 5 2125 84d mca_32.o.before 1832 288 5 2125 84d mca_32.o.after md5: c0e45e2b743ce26349eb07dc53e80b94 mca_32.o.before.asm c0e45e2b743ce26349eb07dc53e80b94 mca_32.o.after.asm Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Paolo Ciarrocchi
Ingo Molnar
parent
f73920cd63
commit
0067cc996e
@ -53,9 +53,9 @@
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#include <linux/init.h>
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#include <asm/arch_hooks.h>
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static unsigned char which_scsi = 0;
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static unsigned char which_scsi;
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int MCA_bus = 0;
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int MCA_bus;
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EXPORT_SYMBOL(MCA_bus);
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/*
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@ -68,15 +68,17 @@ static DEFINE_SPINLOCK(mca_lock);
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/* Build the status info for the adapter */
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static void mca_configure_adapter_status(struct mca_device *mca_dev) {
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static void mca_configure_adapter_status(struct mca_device *mca_dev)
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{
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mca_dev->status = MCA_ADAPTER_NONE;
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mca_dev->pos_id = mca_dev->pos[0]
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+ (mca_dev->pos[1] << 8);
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if(!mca_dev->pos_id && mca_dev->slot < MCA_MAX_SLOT_NR) {
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if (!mca_dev->pos_id && mca_dev->slot < MCA_MAX_SLOT_NR) {
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/* id = 0x0000 usually indicates hardware failure,
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/*
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* id = 0x0000 usually indicates hardware failure,
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* however, ZP Gu (zpg@castle.net> reports that his 9556
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* has 0x0000 as id and everything still works. There
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* also seem to be an adapter with id = 0x0000; the
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@ -87,9 +89,10 @@ static void mca_configure_adapter_status(struct mca_device *mca_dev) {
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mca_dev->status = MCA_ADAPTER_ERROR;
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return;
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} else if(mca_dev->pos_id != 0xffff) {
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} else if (mca_dev->pos_id != 0xffff) {
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/* 0xffff usually indicates that there's no adapter,
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/*
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* 0xffff usually indicates that there's no adapter,
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* however, some integrated adapters may have 0xffff as
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* their id and still be valid. Examples are on-board
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* VGA of the 55sx, the integrated SCSI of the 56 & 57,
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@ -99,19 +102,19 @@ static void mca_configure_adapter_status(struct mca_device *mca_dev) {
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mca_dev->status = MCA_ADAPTER_NORMAL;
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}
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if((mca_dev->pos_id == 0xffff ||
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if ((mca_dev->pos_id == 0xffff ||
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mca_dev->pos_id == 0x0000) && mca_dev->slot >= MCA_MAX_SLOT_NR) {
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int j;
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for(j = 2; j < 8; j++) {
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if(mca_dev->pos[j] != 0xff) {
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for (j = 2; j < 8; j++) {
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if (mca_dev->pos[j] != 0xff) {
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mca_dev->status = MCA_ADAPTER_NORMAL;
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break;
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}
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}
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}
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if(!(mca_dev->pos[2] & MCA_ENABLED)) {
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if (!(mca_dev->pos[2] & MCA_ENABLED)) {
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/* enabled bit is in POS 2 */
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@ -133,7 +136,7 @@ static struct resource mca_standard_resources[] = {
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#define MCA_STANDARD_RESOURCES ARRAY_SIZE(mca_standard_resources)
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/**
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/*
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* mca_read_and_store_pos - read the POS registers into a memory buffer
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* @pos: a char pointer to 8 bytes, contains the POS register value on
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* successful return
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@ -141,12 +144,14 @@ static struct resource mca_standard_resources[] = {
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* Returns 1 if a card actually exists (i.e. the pos isn't
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* all 0xff) or 0 otherwise
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*/
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static int mca_read_and_store_pos(unsigned char *pos) {
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static int mca_read_and_store_pos(unsigned char *pos)
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{
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int j;
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int found = 0;
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for(j=0; j<8; j++) {
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if((pos[j] = inb_p(MCA_POS_REG(j))) != 0xff) {
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for (j = 0; j < 8; j++) {
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pos[j] = inb_p(MCA_POS_REG(j));
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if (pos[j] != 0xff) {
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/* 0xff all across means no device. 0x00 means
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* something's broken, but a device is
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* probably there. However, if you get 0x00
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@ -167,11 +172,11 @@ static unsigned char mca_pc_read_pos(struct mca_device *mca_dev, int reg)
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unsigned char byte;
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unsigned long flags;
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if(reg < 0 || reg >= 8)
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if (reg < 0 || reg >= 8)
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return 0;
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spin_lock_irqsave(&mca_lock, flags);
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if(mca_dev->pos_register) {
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if (mca_dev->pos_register) {
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/* Disable adapter setup, enable motherboard setup */
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outb_p(0, MCA_ADAPTER_SETUP_REG);
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@ -203,7 +208,7 @@ static void mca_pc_write_pos(struct mca_device *mca_dev, int reg,
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{
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unsigned long flags;
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if(reg < 0 || reg >= 8)
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if (reg < 0 || reg >= 8)
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return;
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spin_lock_irqsave(&mca_lock, flags);
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@ -227,17 +232,17 @@ static void mca_pc_write_pos(struct mca_device *mca_dev, int reg,
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}
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/* for the primary MCA bus, we have identity transforms */
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static int mca_dummy_transform_irq(struct mca_device * mca_dev, int irq)
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static int mca_dummy_transform_irq(struct mca_device *mca_dev, int irq)
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{
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return irq;
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}
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static int mca_dummy_transform_ioport(struct mca_device * mca_dev, int port)
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static int mca_dummy_transform_ioport(struct mca_device *mca_dev, int port)
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{
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return port;
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}
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static void *mca_dummy_transform_memory(struct mca_device * mca_dev, void *mem)
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static void *mca_dummy_transform_memory(struct mca_device *mca_dev, void *mem)
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{
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return mem;
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}
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@ -251,7 +256,8 @@ static int __init mca_init(void)
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short mca_builtin_scsi_ports[] = {0xf7, 0xfd, 0x00};
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struct mca_bus *bus;
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/* WARNING: Be careful when making changes here. Putting an adapter
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/*
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* WARNING: Be careful when making changes here. Putting an adapter
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* and the motherboard simultaneously into setup mode may result in
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* damage to chips (according to The Indispensible PC Hardware Book
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* by Hans-Peter Messmer). Also, we disable system interrupts (so
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@ -283,7 +289,7 @@ static int __init mca_init(void)
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/* get the motherboard device */
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mca_dev = kzalloc(sizeof(struct mca_device), GFP_KERNEL);
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if(unlikely(!mca_dev))
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if (unlikely(!mca_dev))
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goto out_nomem;
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/*
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@ -309,7 +315,7 @@ static int __init mca_init(void)
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mca_register_device(MCA_PRIMARY_BUS, mca_dev);
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mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
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if(unlikely(!mca_dev))
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if (unlikely(!mca_dev))
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goto out_unlock_nomem;
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/* Put motherboard into video setup mode, read integrated video
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@ -326,7 +332,8 @@ static int __init mca_init(void)
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mca_dev->slot = MCA_INTEGVIDEO;
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mca_register_device(MCA_PRIMARY_BUS, mca_dev);
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/* Put motherboard into scsi setup mode, read integrated scsi
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/*
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* Put motherboard into scsi setup mode, read integrated scsi
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* POS registers, and turn motherboard setup off.
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*
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* It seems there are two possible SCSI registers. Martin says that
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@ -338,18 +345,18 @@ static int __init mca_init(void)
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* machine.
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*/
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for(i = 0; (which_scsi = mca_builtin_scsi_ports[i]) != 0; i++) {
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for (i = 0; (which_scsi = mca_builtin_scsi_ports[i]) != 0; i++) {
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outb_p(which_scsi, MCA_MOTHERBOARD_SETUP_REG);
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if(mca_read_and_store_pos(pos))
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if (mca_read_and_store_pos(pos))
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break;
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}
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if(which_scsi) {
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if (which_scsi) {
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/* found a scsi card */
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mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
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if(unlikely(!mca_dev))
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if (unlikely(!mca_dev))
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goto out_unlock_nomem;
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for(j = 0; j < 8; j++)
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for (j = 0; j < 8; j++)
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mca_dev->pos[j] = pos[j];
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mca_configure_adapter_status(mca_dev);
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@ -364,21 +371,22 @@ static int __init mca_init(void)
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outb_p(0xff, MCA_MOTHERBOARD_SETUP_REG);
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/* Now loop over MCA slots: put each adapter into setup mode, and
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/*
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* Now loop over MCA slots: put each adapter into setup mode, and
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* read its POS registers. Then put adapter setup off.
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*/
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for(i=0; i<MCA_MAX_SLOT_NR; i++) {
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for (i = 0; i < MCA_MAX_SLOT_NR; i++) {
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outb_p(0x8|(i&0xf), MCA_ADAPTER_SETUP_REG);
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if(!mca_read_and_store_pos(pos))
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if (!mca_read_and_store_pos(pos))
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continue;
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mca_dev = kzalloc(sizeof(struct mca_device), GFP_ATOMIC);
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if(unlikely(!mca_dev))
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if (unlikely(!mca_dev))
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goto out_unlock_nomem;
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for(j=0; j<8; j++)
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mca_dev->pos[j]=pos[j];
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for (j = 0; j < 8; j++)
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mca_dev->pos[j] = pos[j];
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mca_dev->driver_loaded = 0;
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mca_dev->slot = i;
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@ -414,20 +422,20 @@ mca_handle_nmi_device(struct mca_device *mca_dev, int check_flag)
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{
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int slot = mca_dev->slot;
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if(slot == MCA_INTEGSCSI) {
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if (slot == MCA_INTEGSCSI) {
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printk(KERN_CRIT "NMI: caused by MCA integrated SCSI adapter (%s)\n",
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mca_dev->name);
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} else if(slot == MCA_INTEGVIDEO) {
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} else if (slot == MCA_INTEGVIDEO) {
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printk(KERN_CRIT "NMI: caused by MCA integrated video adapter (%s)\n",
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mca_dev->name);
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} else if(slot == MCA_MOTHERBOARD) {
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} else if (slot == MCA_MOTHERBOARD) {
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printk(KERN_CRIT "NMI: caused by motherboard (%s)\n",
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mca_dev->name);
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}
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/* More info available in POS 6 and 7? */
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if(check_flag) {
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if (check_flag) {
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unsigned char pos6, pos7;
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pos6 = mca_device_read_pos(mca_dev, 6);
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@ -447,8 +455,9 @@ static int __kprobes mca_handle_nmi_callback(struct device *dev, void *data)
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pos5 = mca_device_read_pos(mca_dev, 5);
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if(!(pos5 & 0x80)) {
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/* Bit 7 of POS 5 is reset when this adapter has a hardware
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if (!(pos5 & 0x80)) {
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/*
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* Bit 7 of POS 5 is reset when this adapter has a hardware
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* error. Bit 7 it reset if there's error information
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* available in POS 6 and 7.
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*/
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@ -460,7 +469,8 @@ static int __kprobes mca_handle_nmi_callback(struct device *dev, void *data)
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void __kprobes mca_handle_nmi(void)
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{
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/* First try - scan the various adapters and see if a specific
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/*
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* First try - scan the various adapters and see if a specific
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* adapter was responsible for the error.
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*/
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bus_for_each_dev(&mca_bus_type, NULL, NULL, mca_handle_nmi_callback);
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